Trail Running calendar near Builth Wells 2026-2027

A seven hour Time Challenge at Dare Valley Country Park offering distances from 3km to 50km, themed finisher medals and distance pins, on course aid with vegan options, and basic venue facilities including toilets and free parking.

An untimed 5k and 10k adventure run at Lyons Lane Motocross LTD in Shrewsbury on October 17, 2026. The course uses a MotoX track and includes brook crossings, hill climbs, a mud crawl and a water slide finish.

Cadair X is a 13.1 mile mountain half marathon with 1165 m of ascent that climbs to the 893 m summit of Cadair Idris. The marked route crosses woodland, glacial lakes and technical summit terrain and a GPX file is available.

A *50 km* trail on the marked Brenig Way from Corwen to Llyn Brenig dam, with 1450 m ascent, varied upland and forest terrain, three checkpoints, required kit and GPS trackers provided.

Join the Aberfan Memorial Run in Merthyr Tydfil to honour the 1966 victims and support the Aberfan Memorial Charity. Choose 5 km to ultra on a scenic tarmac loop along the Taff Trail with flexible start times and official timing.

A 12.5 miles autumn trail race from Keynsham with two stream crossings, water stations, canicross places and a finisher medal for every runner.

Trail half marathon and a 7.6 mile Super Seven take place in Wyre Forest on 18 Oct 2026, with timing, medals, water stations and medical cover. Parking is pay and display and finishers receive category prizes and finish goodies.

Trail races at Oxwich Bay with a self-navigated half marathon plus marked 10k and 5k routes. The event is postponed and a new date will be announced.

A memorial road and off road event organised by Green Events featuring a half marathon and a 12k in mountainous scenery. The race is cupless, open to those over 16, and lists online and on the day entry options.

A family-friendly colour run plus a chip timed 5 km trail through Box village and the Bybrook valley on 18 October 2026.

Seven consecutive offroad race days at Pengethley Manor from 19 to 25 October 2026 with a seven hour time limit each day and distances from 5k to ultra. Each day awards a unique Halloween themed medal and a virtual option is available.

An offroad Halloween race at Pengethley Manor offering 5k, 10k, half marathon, marathon and ultra distances with a seven hour time limit. In-person and virtual entries are available and paid verified finishes receive themed medals.

Part of a Halloween race series at Pengethley Manor, The Scary Scamper offers 5k, 10k, half, marathon and ultra options on a tough off road loop with a seven hour time limit and a virtual option worldwide.

Part of a Halloween series at Pengethley Manor, The Creepy Crawl offers 5k to ultra distances on an offroad, lap-based course with a seven hour time limit. Virtual entries and themed medals are available for paid participants.

A 5k night trail at Dunkertons Park in Cheltenham where runners use head torches to light the course. Open to ages 16 and over, with prizes for top three men and women and on-site refreshments and safety rules.

An offroad event at Pengethley Manor offering 5k, 10k, half, marathon and ultra distances with a seven hour time limit, on-course laps of 2.5k and themed medals; virtual participation and a charity entry option are available.

A Halloween series race at Pengethley Manor with 5k, 10k, half marathon, marathon and ultra options and a seven hour time limit. The offroad course runs inside the manor grounds and includes a hill and vineyard sections.

A Halloween series event at Pengethley Manor offering 5k, 10k, half, marathon and ultra distances on a tough offroad course with vineyard laps. Entrants have seven hours to finish and virtual participation is available.

A continuous three-stage route visiting Snowdon, Cadair Idris and Pen y Fan covering 17 miles and 2,334 metres of ascent, usually completed in around 19 hours. Options include guided events with transport and support or planning your own ch..

Day one of a two day mountain marathon at Westermill Farm, Exford, featuring a 40 km course with 1800 m of climb. Teams of two must pre-enter and the entry fee covers both race days and campsite.